Gunther Cramm

Person

Leverkusen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing 4,6-dichloropyrimidine
- Patent number 6,822,095
- Issue date Nov 23, 2004
- Bayer Aktiengesellschaft
- Franz-Josef Mais
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing 4-chloro-6-hydroxypyrimidine
- Patent number 6,562,970
- Issue date May 13, 2003
- Bayer Aktiengesellschaft
- Franz-Josef Mais
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing 4,6-dichloropyrimidine with sulfur compounds a...
- Patent number 6,525,198
- Issue date Feb 25, 2003
- Bayer Aktiengesellschaft
- Franz-Josef Mais
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing 4,6-dichloropyrimidine with acid chlorides
- Patent number 6,441,170
- Issue date Aug 27, 2002
- Bayer Akitnegesellschaft
- Franz-Josef Mais
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the production of 4,6-dichloropyrimidine with the aid of...
- Patent number 6,441,171
- Issue date Aug 27, 2002
- Bayer Aktiengesellschaft
- Franz-Josef Mais
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 4,6-dichloropyrimidines
- Patent number 5,677,453
- Issue date Oct 14, 1997
- Bayer Aktiengesellschaft
- Gunther Cramm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2-chloropyridines
- Patent number 5,283,338
- Issue date Feb 1, 1994
- Bayer Aktiengesellschaft
- Gunther Cramm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Paper auxiliary from condensation product of aliphatic polyol-ether...
- Patent number 4,673,729
- Issue date Jun 16, 1987
- Bayer Aktiengesellschaft
- Wolf-Dieter Schroer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polyamines containing urea groups prepared from lactam or aminocarb...
- Patent number 4,384,110
- Issue date May 17, 1983
- Bayer Aktiengesellschaft
- Wilfried Lobach
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polyamines containing urea groups
- Patent number 4,348,514
- Issue date Sep 7, 1982
- Bayer Aktiengesellschaft
- Wilfried Lobach
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Production of thiocarbohydrazide on a commercial scale
- Patent number 4,294,985
- Issue date Oct 13, 1981
- Bayer Aktiengesellschaft
- Gunther Cramm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyamines containing amide groups
- Patent number 4,250,298
- Issue date Feb 10, 1981
- Bayer Aktiengesellschaft
- Wolfgang Lehmann
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Polyamines containing amide groups
- Patent number 4,250,299
- Issue date Feb 10, 1981
- Bayer Aktiengesellschaft
- Wolfgang Lehmann
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Preparation of 4-alkylthiosemicarbazides
- Patent number 4,132,736
- Issue date Jan 2, 1979
- Bayer Aktiengesellschaft
- Gunther Cramm
- C07 - ORGANIC CHEMISTRY

Gunther Cramm

Person

Patents Grantslast 30 patents

Method for producing 4,6-dichloropyrimidine

Method for producing 4-chloro-6-hydroxypyrimidine

Method for producing 4,6-dichloropyrimidine with sulfur compounds a...

Method of producing 4,6-dichloropyrimidine with acid chlorides

Method for the production of 4,6-dichloropyrimidine with the aid of...

Process for the preparation of 4,6-dichloropyrimidines

Process for the preparation of 2-chloropyridines

Paper auxiliary from condensation product of aliphatic polyol-ether...

Polyamines containing urea groups prepared from lactam or aminocarb...

Polyamines containing urea groups

Production of thiocarbohydrazide on a commercial scale

Polyamines containing amide groups

Polyamines containing amide groups

Preparation of 4-alkylthiosemicarbazides